GLOSSARY CROSSWORD

3. The man who invented the first printing press in Europe around 1440.
4. Molecule that carries the genetic information.
6. He was a scientist who developed the first vaccine, helping protect people from smallpox.
8. The process of giving a person a vaccine to help protect them from a disease.
10. A Greek scientist who figured out how big the Earth is by using shadows and math.
12. The distance all the way around the Earth, like a big circle.
14. A substance that helps protect the body from certain diseases by making it stronger against them.
15. He invented the telegraph and created a code to send messages using dots and dashes.
17. An ancient people who lived in Mesopotamia and invented one of the first systems of writing.
18. A way of using symbols or letters to show words and ideas so they can be read.
19. The study of the Earth, its land, water, and people.
21. A giant network that connects computers all around the world to share information.

1. The information, facts, and understanding we get by learning and studying.
2. She was a scientist who helped discover the structure of DNA using X-ray images.
5. He invented the World Wide Web, which made the internet easier to use.
7. An old machine that makes many copies of writing or pictures quickly.
9. Sharing ideas, thoughts, or information with others, by talking, writing, or using technology.
11. A set of letters used to write a language, like A to Z in English.
13. An old way to send messages over long distances using wires and electrical signals.
16. Bringing things or people together, like computers, ideas, or friends.
20. The study of how traits are passed from parents to children through DNA.